pad-app/wxcomponents/vant/dist/calendar/index.json

{
  "component": true,
  "usingComponents": {
    "header": "./components/header/index",
    "month": "./components/month/index",
    "van-button": "../button/index",
    "van-popup": "../popup/index",
    "van-toast": "../toast/index"
  }
}